<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="/save" method="POST">
        <input type="text" name="username"/>
        <input type="text" name="age"/>
        <select>
            <option value="first" >软件一班</option>
            <option value="second">软件二班</option>
            <option value="third" >软件三班</option>
        </select>
        <input type="submit" value="提交" />
    </form>
</body>
</html>